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-rw-r--r--dom/xml/nsXMLPrettyPrinter.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/dom/xml/nsXMLPrettyPrinter.h b/dom/xml/nsXMLPrettyPrinter.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsXMLPrettyPrinter_h__
+#define nsXMLPrettyPrinter_h__
+
+#include "nsStubDocumentObserver.h"
+#include "nsCOMPtr.h"
+
+class nsXMLPrettyPrinter : public nsStubDocumentObserver {
+ public:
+ nsXMLPrettyPrinter();
+
+ NS_DECL_ISUPPORTS
+
+ // nsIMutationObserver
+ NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
+ NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
+ NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
+ NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
+ NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
+
+ /**
+ * This will prettyprint the document if the document is loaded in a
+ * displayed window.
+ *
+ * @param aDocument document to prettyprint
+ * @param [out] aDidPrettyPrint if true, and error not returned, actually
+ * went ahead with prettyprinting the document.
+ */
+ nsresult PrettyPrint(mozilla::dom::Document* aDocument,
+ bool* aDidPrettyPrint);
+
+ /**
+ * Unhook the prettyprinter
+ */
+ void Unhook();
+
+ private:
+ virtual ~nsXMLPrettyPrinter();
+
+ /**
+ * Signals for unhooking by setting mUnhookPending if the node changed is
+ * not in the shadow root tree nor in anonymous content.
+ *
+ * @param aContent content that has changed
+ */
+ void MaybeUnhook(nsIContent* aContent);
+
+ mozilla::dom::Document*
+ mDocument; // weak. Set as long as we're observing the document
+ bool mUnhookPending;
+};
+
+nsresult NS_NewXMLPrettyPrinter(nsXMLPrettyPrinter** aPrinter);
+
+#endif // nsXMLPrettyPrinter_h__